//盒子2
let add_2 = document.getElementById("add_2");
let add_2children = add_2.children[0];
let add_2childrens = add_2children.children;
navshare(add_2childrens,21,"","on","");
//盒子3
let add_3 = document.getElementById("add_3");
let add_3children = add_3.children[0];
let add_3childrens = add_3children.children;
navshare(add_3childrens,10,"","on","");